usb: musb: tusb: Fix possible null pointer dereference in tusb6010_omap.c

tusb_dma was being dereferenced when it was nul

Signed-off-by: Huzaifa Sidhpurwala <huzaifas@redhat.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
1 file changed